maint.mk: fix "release" target to build _version

[gnulib.git] / tests / test-dprintf.c

diff --git a/tests/test-dprintf.c b/tests/test-dprintf.c
index 8981107..b70e91c 100644 (file)
--- a/tests/test-dprintf.c
+++ b/tests/test-dprintf.c
@@ -22,6 +22,7 @@
 SIGNATURE_CHECK (dprintf, int, (int, const char *, ...));
 
 #include <errno.h>
+#include <unistd.h>
 
 #include "macros.h"